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What is SHA256 ?

Posted by Richa Sachdeva on

Your Daily Technology Tidbit !


Did you know about SHA-256 ?


SHA-256


The SHA (Secure Hash Algorithm) is one of a number of cryptographic hash functions.
 A cryptographic hash is sort of a signature for a text or a data file.
The hash it generates is almost-unique.And also the hash is fixed size 256-bit (32-byte) .
One more point of note here is, that this Hash is a one way function. Now what that means? It means that once encrypted it cannot be decrypted backwards. 



Therefore, this hash is used in 
  1. Password validation 
  2. Generate secure password
  3. Anti-tamper
  4. Digital signatures
  5. Challenge hash authentication
There are a few successors to SHA-1 and  SHA-256 is one of them. 

It is sha256 calculator or as you can say sha256 tool which is available online. Very easy to use and will generate hashes for you.

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